Groundsmaster 3505--D Page 6 -- 19 Chassis
Removal (Fig. 14)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake and remove key
from the ignition switch.
2. Remove cutting unit from the pivot shaft of the rear
lift arm (see Cutting Unit Operator’s Manual).
3. Remove external retaining r ing and thrust washer
from the hydraulic lift cylinder shaft of the rear lift arm.
4. Remove flange head screw and thrust washer from
the rear pivot shaft.
5. Slide rear lift arm from rear pivot shaft and hydraulic
lift cylinder.
6. Disassemble lift arm as necessary using Figure 14
as a guide.
7. Inspect bushings in lift arm and carrier frame (Fig
15). If bushings are worn or damaged, replace bush-
ings.
Installation (Fig. 14)
1. Assemble lift arm using Figure 14 as a guide.
A. If the rear lift arm pivot shaft (item 16) was re-
moved from frame, thoroughly clean tapered sur-
faces ofshaft and frame.Position pivot shaftto frame
and secure with washer and jam nut. Torque jam nut
from 200 to 250 ft--lb (271 to 339 N--m).
B. If the carrier frame pivot shaft (item 25) was re-
moved from lift arm, apply antiseize lubricant to pivot
shaft before inserting into lift arm. Secure pivot shaft
with two (2) cap screws (items 2 and 4) and washer
(item 3).
2. Slide rear lift arm onto rear pivot shaft making sure
that the lift cylinder shaftof the rear lift arm slides intothe
clevis of the hydraulic lift cylinder.
3. Secure hydraulic cylinder clevis to the lift cylinder
shaft of the rear lift arm with the thrust washer and exter-
nal retaining ring.
4. Install rear cutting unit to the pivot shaft of the rear lift
arm (see Cutting Unit Operator’s Manual).
5. Adjust liftarm for proper clearance(see TractionUnit
Operator’s Manual).
IMPORTANT: Make sure hydraulic hoses are free of
twists and sharp bends. Raise cutting units and
make sure that rear cutting unit hoses do not con-
tact the traction cable bracket. If required, reposi-
tion fittings and hoses.
6. Grease rear lift arm (see Traction Unit Operator’s
Manual).
1. Rear lift arm
2. Carrier frame
3. Frame bushing
4. Lift arm bushing
Figure 15
2
1
3
4
3
4
Chassis
